public async Task RefreshIndexes()
{
try
{
var indexCodes = StaticData.Instruments.Where(x => x.CompanyCode == Constants.CompanyCodes.IDXS)
.Select(x => x.InsCode)
.ToArray();
OnOperationStart?.Invoke(this, indexCodes.Length + 3);
List <Index> indices = new List <Index>();
var readWebSiteBlock = new ActionBlock <long>(
async inxCode =>
{
indices.Add(await Online.GetIndex(inxCode, false));
OnOperationStep?.Invoke(this, EventArgs.Empty);
}, new ExecutionDataflowBlockOptions
{
MaxDegreeOfParallelism = 15
});
foreach (var code in indexCodes)
{
readWebSiteBlock.Post(code);
}
readWebSiteBlock.Complete();
await readWebSiteBlock.Completion;
var indexLastValue = await Online.GetIndexLastValue();
OnOperationStep?.Invoke(this, EventArgs.Empty);
if (indices.Count > 0)
{
var idxSrvf = StaticServiceFactory.Create <IIndexLastDayTimeValueService>();
var today = DateTime.Now.Date;
var idxData = idxSrvf.GetDefaultQuery()
.Where(x => x.Dt > today)
.ToList();
OnOperationStep?.Invoke(this, EventArgs.Empty);
var newData = indices.Where(x => x != null).SelectMany(x => x.LastDayTimeValue)
.Where(x => x.Dt >= today)
.Where(x => !idxData.Any(y => y.InsCode == x.InsCode && x.Dt == y.Dt))
.ToArray();
foreach (var dtv in newData)
{
var lv = indexLastValue.FirstOrDefault(x => x.Code == dtv.InsCode);
if (lv != null)
{
dtv.ChangePercent = lv.ChangePercent;
dtv.ChangeValue = lv.ChangeValue;
}
}
await idxSrvf.SaveEntitiesAsync(newData);
OnOperationStep?.Invoke(this, EventArgs.Empty);
}
OnOperationCompleted?.Invoke(this, EventArgs.Empty);
}
catch (Exception exception)
{
_logger.Error("RefreshIndexes", exception);
OnOperationBreak?.Invoke(this, exception);
}
}